Who or whom in this case [duplicate]

Solution 1:

Ever wonder who has the skills? - This the correct. However Ever wonder whom you could team up with This is wrong as written. First, do not end sentences in a preposition. "Ever wonder with whom you could team." Whom is almost always the object of a preposition. To test, try substituting "he" or "him" where "he" equates to "who" and "him" equates to "whom."